You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

40 lines
894 B
C++

#ifndef BOOST_METAPARSE_V1_CPP11_IMPL_EVAL_LATER_RESULT_HPP
#define BOOST_METAPARSE_V1_CPP11_IMPL_EVAL_LATER_RESULT_HPP
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2017.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/metaparse/v1/get_position.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/less.hpp>
namespace boost
{
namespace metaparse
{
namespace v1
{
namespace impl
{
template <class R1, class R2>
struct eval_later_result :
boost::mpl::eval_if<
typename boost::mpl::less<
typename get_position<R2>::type,
typename get_position<R1>::type
>::type,
R1,
R2
>
{};
}
}
}
}
#endif